Batteries are used: For Surface pro 3/4 pen, Digital pen MS(Microsoft)surface pen, Dell digital stylus, Hearing aid remote,Cameras and led flashlights, Bamboo ink pen, Active stylus pens, Lenovo pen, Asus stylus,Lenovo pen for X1 tablet, Google pixebook pen, Roke remote, Touchscreen pen and so on. Battery Specification: Battery Type: Ni-MH Rechargeable times: Up to 1200 times Battery Size: AAAA Battery Capacity: 450mAh Positive: Button top Voltage: 1.2 V Features: Always Accompanied Always fresh and ready to use, high performance AAAA batteries can help you in any emergency. Build up your emergency storage of essentials with the longest-lasting battery around. Universal Compatibility Applicable to all equipment that requires AAAA batteries, Use for surface pen,for Active Surface 3/Pro 3/Pro 4 Stylus pen, toys and more, you can buy our batteries with confidence. Reliable Batteries Pickle Power AAAA batteries made without harming the environment and are 100% mercury and cadmium free, completely conform to environmental protection standards, completely great protection and Non-Leakage for daily use and disposal. Package Includes: 4 x AAAA 1.2V Rechargeable Batteries 1 x Battery CasePackage Included: 4 x Rechargeable AAAA batteries, 1 user manual. We stand by our batteries with our outstanding customer service, if you ever have a problem, don't hesitate to contact us. Safety Guarantee : Built-in multiple circuit adjustment & protection (protect from over-charging, short-circuit, high-temperature and surge protection), fire-resistant construction with high-quality materials. Energy Saving & ECO Friendly: High capacity 450mAh AAAA battery,can be recharged up to 1200 times,each battery can last 8 hours, can help you save money and better for the environment (it doesn’t contain Hg/Cd/Pb). Batteries are used in Surface pro 3/4 pen, Digital pen MS(Microsoft)surface pen, Dell digital stylus, Hearing aid remote, Cameras and led flashlights, Bamboo ink pen, Active stylus pens, Lenovo pen, Asus stylus,Lenovo pen for X1 tablet, Google pixebook pen, Roke remote, Touchscreen pen and so on. AAAA Batteries: Pickle Power Rechargeable Ni-MH AAAA Batteries, Capacity: 450mAH, Voltage: 1.2 V.Model Name: AAAA battery. Reusability: Rechargeable. Voltage: 1.2 Volts. Unit Count: 4 Count. Recommended Uses For Product: For Surface pro 3/4 pen, Digital pen,surface pen,Dell digital stylus. Battery Cell Composition: NiMH. Brand: PicklePower. Number of Batteries: 4 AAAA batteries required. Country of Origin: China. Manufacturer: PicklePower. Date First Available: November 5, 2020. Best Sellers Rank: #208,673 in Health & Household. Customer Reviews: 4.4 out of 5 stars 40 ratings 4.4 out of 5 stars. Batteries: 4 AAAA batteries required. Item model number: AAAA battery. : B08MVHMC69. Item Weight: 1.41 ounces. Package Dimensions: 2.87 x 2.2 x 1.38 inches.